B2 adjective /ɪmˈplɪsɪt/

implicit

暗黙の

Meaning

Suggested or understood without being directly stated.

Example

Her trust in him was implicit.

彼女の彼に対する信頼は暗黙のものでした。

A2 noun /ˈɪn.sekt/

Insect

昆虫

Meaning

a small invertebrate animal with six legs and usually one or two pairs of wings

Example

The butterfly is a beautiful insect that flies from flower to flower.

蝶は花から花へと飛ぶ美しい昆虫です。

B2 adjective /ɪˈmætʃʊr/

Immature

未熟; 完全に発達していない; 子供っぽい

Meaning

not fully developed; lacking emotional or intellectual development; childish

Example

His immature behavior during the meeting disappointed everyone.

会議中の彼の未熟な行動は、皆を失望させました。

C2 adjective /ɪnˈɛstɪməbl/

inestimable

計り知れない

Meaning

Too great or valuable to be measured or estimated.

Example

Her contribution to the project was of inestimable value.

プロジェクトへの彼女の貢献は計り知れない価値があった。

C2 noun /ɪmˈpɒs.tʃər/

Imposture

偽装; 詐欺; 虚偽

Meaning

the practice of deceiving others by pretending to be someone else; fraudulent deception

Example

The elaborate imposture lasted for months before investigators uncovered the truth.

その精巧な詐欺は数ヶ月続き、調査員が真実を明らかにするまで続いた。

C1 adjective /ˌɪndɪˈfɛnsəbl̩/

indefensible

弁護できない

Meaning

not able to be protected or justified

Example

The minister’s remarks were considered indefensible by the public.

大臣の発言は公衆によって弁護できないとみなされました。

C2 noun /ɪmˈprɑːvɪdəns/

improvidence

不注意

Meaning

Lack of foresight or care for future needs.

Example

His improvidence led to financial difficulties.

彼の不注意が彼を財政的な困難に追い込んだ。

C1 noun /ˈɪmɪnəns/

imminence

差し迫り、間近な状態

Meaning

the state of being about to happen

Example

The imminence of the storm forced people to take shelter.

嵐の差し迫りが人々を避難させることを強制した。

C1 adjective /ɪmˈprɒbəbl/

improbable

あり得ない

Meaning

Not likely to be true or to happen.

Example

It seems improbable that he will arrive on time.

彼が時間通りに到着するのはあり得ないようだ。

B2 adjective /ɪnˈtɒlərənt/

intolerant

不寛容

Meaning

unwilling to accept or respect beliefs or behavior different from one's own

Example

He is intolerant of any opinion that differs from his own.

彼は自分の意見と異なる意見を全く容認しません。

B1 noun /ɪnˈstrʌkʃən/

instruction

指示

Meaning

Detailed information telling how something should be done or operated.

Example

Please read the instruction carefully before using the machine.

機械を使用する前に指示をよく読んでください。

C1 verb /ˈɪnsjuleɪt/

insulate

Meaning

To protect something by covering it, especially to prevent heat, sound, or electricity from escaping or entering.

Example

The house was insulated to reduce heating costs.

C2 adjective /ˌɪrɪˈtriːvəbl/

irretrievable

回復不可能

Meaning

impossible to recover or regain

Example

The documents were lost in an irretrievable way after the fire.

火事の後、文書は回復不可能な方法で失われました。

B2 adjective ˈɪn.tɪ.ɡrəl

integral

不可欠

Meaning

Necessary to make a complete whole; essential or fundamental.

Example

Exercise is an integral part of a healthy lifestyle.

運動は健康的なライフスタイルの不可欠な部分です。

C2 noun /ˌɪnvəˈlɪdɪti/

invalidity

無効性

Meaning

the state of being invalid, legally void, or lacking force or validity

Example

The court ruled that the contract suffered from invalidity.

裁判所はその契約に無効性があると判断した。

C1 adjective /ˌɪnkəʊˈhɪərənt/

incoherent

一貫性のない

Meaning

Not clear or easy to understand; lacking logical connection.

Example

His explanation was so incoherent that nobody could follow it.

彼の説明はあまりにも一貫性がなく、誰もそれを追うことができませんでした。

B2 noun /ɪnˈdʒɛkʃən/

injection

Meaning

the act of introducing a substance into the body through a needle

Example

The nurse gave me an injection to prevent the infection.

C1 noun /ˈɪntərˌpleɪ/

interplay

相互作用

Meaning

The way in which two or more things have an effect on each other.

Example

The interplay between culture and technology shapes modern life.

文化と技術の相互作用が現代生活を形作っています。

C2 verb ɪmˈbaɪb

imbibe

吸収する, 同化する, 飲む

Meaning

Absorb or assimilate ideas or knowledge. To drink or take in.

Example

He tried to imbibe the wisdom from his mentor.

彼は師匠から知恵を吸収しようとした。

A1 noun /ˈɪntənet/

internet

グローバルコンピュータネットワーク

Meaning

A global computer network providing a variety of information and communication facilities.

Example

The internet has revolutionized the way we access information.

インターネットは情報へのアクセス方法を革新しました。

B2 noun /ˈɪntərfeɪs/

interface

インターフェイス

Meaning

a point where two systems, subjects, or organizations meet and interact

Example

The user interface is designed to be intuitive and user-friendly.

ユーザーインターフェイスは直感的で使いやすく設計されています。

C1 adjective /ˌɪnkənˈkluːsɪv/

inconclusive

結論が出ていない

Meaning

Not leading to a definite result or decision.

Example

The investigation remained inconclusive due to a lack of evidence.

証拠の不足により、調査は結論が出ていないままでした。

B2 adjective /ˌɪn.trəˈdʌk.tər.i/

introductory

導入の

Meaning

Serving as an introduction; preliminary or preparatory.

Example

The professor gave an introductory lecture on economics.

教授は経済学についての導入の講義を行いました。

B2 noun ˌɪnɪˈkwɒlɪti

inequality

不平等

Meaning

Difference in size, degree, circumstances, etc.; lack of equality.

Example

The theme of inequality is prominent throughout the story.

不平等のテーマは物語全体にわたって顕著です。

C2 noun /aɪˈdɒlətri/

idolatry

偶像崇拝

Meaning

The worship of idols or extreme admiration for someone or something.

Example

The priest condemned the idolatry practiced in the village.

司祭は村で行われている偶像崇拝を非難した。

B2 verb /ˈɪnəveɪt/

innovate

革新

Meaning

To introduce new methods, ideas, or products.

Example

The company must innovate to stay ahead of its competitors.

その企業は競争相手を追い越すために革新を続けなければならない。

C1 adjective ɪnˈtrɪn.zɪk

intrinsic

内在的, 本質的, 自然な

Meaning

Belonging naturally; essential. Existing as a natural or basic part of something.

Example

Creativity is an intrinsic quality of a great artist.

創造性は偉大なアーティストの内在的な資質です。

B2 adverb /ɪmˈpɔːtəntli/

importantly

重要な方法で

Meaning

in a way that is of great significance or value

Example

Importantly, the report highlights the need for immediate action.

重要な方法で、報告書は即時の行動の必要性を強調しました。

A2 noun /ˈaɪ.lənd/

Island

島

Meaning

a piece of land completely surrounded by water

Example

We visited a beautiful island during our vacation.

私たちは休暇中に美しい島を訪れました。

A2 verb /ɪnˈkri:s/

increase

増加

Meaning

to become or make something larger in amount, number, or degree

Example

The company plans to increase its production this year.

その会社は今年、生産を増加させる予定です。

C2 adjective /ɪˈmɪsəbl/

immiscible

不混和

Meaning

Describes liquids that do not mix together.

Example

Oil and water are immiscible liquids.

油と水は不混和の液体です。

B2 adjective /ɪnˈseɪn/

insane

狂気

Meaning

mentally ill; extremely foolish or unreasonable

Example

The idea of jumping off the cliff seemed insane.

崖から飛び降りる考えは狂気のように思えた。

C2 verb /ɪnˈdɒktrɪˌneɪt/

indoctrinate

教義を押し付ける

Meaning

To teach someone to fully accept a set of beliefs or ideas without question.

Example

The regime tried to indoctrinate the youth with propaganda.

その政権は宣伝を通じて若者を洗脳しようとした。

B2 adjective /ˌɪnsəˈfɪʃənt/

insufficient

不十分

Meaning

Not enough; inadequate.

Example

His explanation was insufficient to clear the confusion.

彼の説明は混乱を解消するには不十分でした。

C1 verb /ɪmˈploʊd/

implode

内爆

Meaning

To collapse or burst inward violently.

Example

The old building imploded during the demolition.

古い建物は解体中に内向きに崩壊しました。

B2 noun /ɪsˈlɑːm/

islam

イスラム教

Meaning

the religion founded by the Prophet Muhammad, based on belief in one God (Allah)

Example

Islam emphasizes peace, justice, and compassion.

イスラム教は平和、正義、そして慈悲を強調します。

B2 verb /ɪmˈplaɪ/

imply

暗示する

Meaning

To suggest something without directly stating it.

Example

Her tone seemed to imply that she was upset.

彼女の口調は、彼女が怒っていることを示唆しているようでした。

B2 noun /ɪnˈsen.tɪv/

Incentive

インセンティブ; 刺激

Meaning

a thing that motivates or encourages someone to do something; a reward or penalty that influences behavior

Example

The company offered a cash incentive to employees who exceeded their sales targets.

その会社は売上目標を達成した従業員に現金インセンティブを提供しました。

C2 noun /ˈɪntərˌloʊpər/

interloper

干渉者

Meaning

A person who becomes involved in a situation or place where they are not wanted.

Example

He felt like an interloper at the private family gathering.

彼はプライベートな家族の集まりで干渉者のように感じた。

C2 adjective /ɪˈrɛfrəɡəbəl/

irrefragable

反論できない

Meaning

Impossible to refute, deny, or break

Example

The lawyer presented irrefragable evidence that proved his client’s innocence.

弁護士は彼のクライアントの無実を証明する反論できない証拠を提示しました。

C2 adjective /ɪmˌpɜːrˈsweɪdəbl/

impersuadable

説得できない

Meaning

not able to be convinced or persuaded

Example

She remained impersuadable despite all our arguments.

彼女はすべての議論にもかかわらず説得できなかった。

C1 noun /ɪnˈsæn.ə.ti/

Insanity

狂気; 精神疾患

Meaning

the state of being seriously mentally ill; extreme foolishness or irrationality

Example

The defense lawyer argued that his client was not guilty by reason of insanity.

弁護人は、被告人が狂気によって無罪であると主張した。

C2 adjective /ˌɪndɪˈsɜːrnəbl/

indiscernible

見分けがつかない

Meaning

Impossible or difficult to see, notice, or distinguish.

Example

The difference between the two shades was almost indiscernible.

二つの色調の違いはほとんど見分けがつかなかった。

C2 noun /ˌaɪ.diˈeɪ.ʃən/

ideation

アイデア創出

Meaning

The process of forming and developing new ideas or concepts through creative thinking and brainstorming.

Example

The team engaged in ideation sessions to generate new product ideas.

チームは新製品のアイデアを生み出すためにアイデーションセッションに取り組んだ。

C2 adjective /ˌɪnkəmˈprɛsəbl/

incompressible

圧縮不可能

Meaning

Not able to be pressed or squeezed into a smaller space.

Example

Liquids are generally considered incompressible.

液体は通常、圧縮不可能と見なされます。

B2 noun ˌɪr.ɪˈɡeɪ.ʃən

irrigation

灌漑

Meaning

The artificial application of water to land or soil.

Example

Irrigation systems improve crop yields in dry regions.

灌漑システムは乾燥した地域で作物の収穫量を増加させます。

B2 noun ˌɪmplɪmenˈteɪʃən

implementation

実行

Meaning

The process of putting a decision or plan into effect; execution.

Example

Proper implementation of policies is crucial.

方針の適切な実行は重要です。

C1 noun /ɪnˈfɜːməri/

infirmary

診療所

Meaning

A hospital or place where the sick or injured are cared for.

Example

The school had an infirmary for minor injuries.

学校には軽傷のための診療所がありました。

B2 verb /ɪtʃ/

itch

かゆみ

Meaning

to feel an urge to scratch; to have a restless desire

Example

My skin itches from the mosquito bites.

蚊に刺されて肌がかゆいです。

B1 adjective /ɪmˈpeɪʃənt/

impatient

イライラ

Meaning

Not able to wait calmly; restless and eager for something to happen.

Example

She grew impatient while waiting in the long queue.

彼女は長い列で待っている間にイライラしてきた。

B2 adjective/noun /ɪˈrɑːki/

iraqi

イラクの

Meaning

relating to Iraq or its people

Example

The Iraqi culture is rich and diverse.

イラクの文化は豊かで多様です。

C2 verb ˈɪnʌndeɪt

inundate

洪水で満たす、処理すべき事柄や人々で誰かまたは何かを圧倒する

Meaning

To flood; overwhelm someone or something with things or people to be dealt with

Example

The company was inundated with requests after the advertisement.

広告の後、会社はリクエストで圧倒されました。

B2 noun ɪnˈtɛɡrɪti

integrity

誠実

Meaning

The quality of being honest and having strong moral principles; moral uprightness.

Example

Teachers' integrity fosters a positive learning environment.

教師のインテグリティは、積極的な学習環境を促進します。

B2 adjective /ˌɪnstɪˈtjuːʃənl/

institutional

制度的

Meaning

Relating to an organization or established practice.

Example

The government made several institutional reforms in education.

政府は教育においていくつかの制度的改革を実施しました。

B2 noun /ɪnˈveɪʒən/

invasion

侵略

Meaning

An instance of invading a country, region, or personal space with armed force or unwelcome presence.

Example

The army prepared for the possibility of an invasion.

軍隊は侵略の可能性に備えました。

C2 noun /ɪnˈsaɪzər/

incisor

切歯

Meaning

a narrow-edged tooth at the front of the mouth, adapted for cutting

Example

The dentist noted that his upper left incisor was chipped.

歯科医は彼の上の左側の切歯が欠けていることに気づきました。

A1 noun /aɪˈdiː.ə/

Idea

アイデア; 概念; 提案

Meaning

a thought or suggestion as to a possible course of action; a concept or mental impression

Example

She had a brilliant idea for solving the company's efficiency problem.

彼女は会社の効率問題を解決するための素晴らしいアイデアを持っていました。

B2 verb /ɪnˈheɪl/

inhale

吸う

Meaning

to breathe in; to draw air into the lungs

Example

Take a deep breath and inhale slowly.

深く息を吸い、ゆっくり吸い込みます。

C2 noun /ˌɪn.ɪˈbraɪ.ə.ti/

inebriety

酩酊

Meaning

the state of being drunk or intoxicated

Example

His frequent inebriety led to the loss of his job.

彼の頻繁な酩酊は仕事を失う原因となった。

B2 noun /ɪnˈdʌstriəl ˌrɛvəˈluːʃən/

Industrial Revolution

産業革命

Meaning

The rapid development of industry that occurred in Britain in the late 18th and 19th centuries, brought about by the introduction of machinery and characterized by the use of steam power and the growth of factories.

Example

The Industrial Revolution marked a shift in production processes.

産業革命は生産プロセスにおける変化を示しました。

C1 adjective /ɪnˈvæljʊəbl/

invaluable

計り知れない価値がある

Meaning

Extremely useful or indispensable.

Example

Her advice proved invaluable to my success.

彼女の助言は私の成功にとって非常に貴重でした。

C2 adjective ˌɪm.pəˈtɜː.bə.bəl

imperturbable

冷静沈着

Meaning

Unable to be upset or excited; not easily disturbed.

Example

His imperturbable nature made him a great leader.

彼の冷静沈着な性格は、彼を偉大なリーダーにした。

B2 adverb /aɪˈrɒnɪkli/

ironically

皮肉にも

Meaning

in a way that is contrary to what is expected or intended

Example

Ironically, the fire station burned down.

皮肉にも、消防署が焼け落ちた。

C1 noun /ˌɪnɪkˈspɪəriəns/

inexperience

未経験

Meaning

Lack of knowledge or skill in a particular activity or field.

Example

His inexperience in handling negotiations was evident.

交渉における彼の未経験は明らかでした。

B1 adverb /ɪˈnɪʃəli/

initially

最初に

Meaning

At the beginning; at first.

Example

Initially, he refused the offer but later accepted it.

最初に、彼はその提案を断ったが、後で受け入れた。

C1 adjective /ɪmˈpɛn.ɪ.trə.bəl/

impenetrable

Meaning

Impossible to pass through or enter; impossible to understand.

Example

The dense forest was nearly impenetrable.

B2 noun /ˈɪmɪɡrənt/

immigrant

移民

Meaning

a person who comes to live permanently in a foreign country

Example

The city has welcomed many new immigrants this year.

今年、市は多くの新しい移民を迎えました。

B2 verb /ɪnˈstrʌkt/

instruct

指示する

Meaning

to teach; to give directions

Example

The teacher instructed the students carefully.

先生は生徒に注意深く指示しました。

C1 adjective /ˌɪnədˈvaɪzəbl/

inadvisable

推奨されない

Meaning

Not recommended; likely to have undesirable consequences.

Example

It is inadvisable to drive in such heavy rain.

このような大雨の中で運転するのは推奨されません。

A1 noun /ˌɪnfərˈmeɪʃən/

information

情報

Meaning

Facts or knowledge provided or learned about something.

Example

The website provides useful information about travel destinations.

このウェブサイトは旅行先に関する有用な情報を提供しています。

B2 adjective /ɪˈrɪˌspɑn.sə.bəl/

Irresponsible

無責任

Meaning

lacking a sense of responsibility; careless

Example

It was irresponsible of him to leave without telling anyone.

彼が誰にも言わずに去ったのは無責任だった。

C1 adjective ɪnɪɡˈzɔːstɪbəl

inexhaustible

尽きることのない

Meaning

Unable to be used up or worn out; limitless.

Example

His inexhaustible energy allowed him to work tirelessly on his projects.

彼の尽きることのないエネルギーは、彼がプロジェクトに休むことなく取り組むことを可能にしました。

C1 adverb /ˌɪnsɪˈdɛntəli/

incidentally

ちなみに

Meaning

by the way; used to introduce a remark not directly related to the main subject

Example

Incidentally, did you know that she studied in Paris?

ちなみに、彼女がパリで勉強していたことを知っていましたか？

C1 verb /ɪnˈkɜːr/

incur

負う

Meaning

To bring upon oneself something undesirable, usually as a result of actions.

Example

He incurred a fine for parking in the wrong place.

彼は間違った場所に駐車して罰金を科せられた。

C1 verb /ɪnˈstɪl/

instill

植え付ける

Meaning

to gradually but firmly establish an idea, attitude, or habit in someone's mind

Example

Parents try to instill good values in their children.

親は子供に良い価値観を植え付けようとしています。

C2 noun /ˌɪnkənˈɡruːəti/

incongruity

不一致

Meaning

The state of being inconsistent or out of place.

Example

The incongruity of his cheerful mood during the funeral shocked everyone.

葬式の最中に彼の陽気な気分の不一致は、皆を驚かせました。

C2 verb /ɪˈreɪdieɪt/

irradiate

照射する

Meaning

to shine light on something; to expose to radiation; to illuminate or brighten

Example

The scientist used a lamp to irradiate the sample.

科学者はランプを使ってサンプルを照射しました。

C2 verb ˈɪn.kʌl.keɪt

inculcate

教え込む

Meaning

Instill an attitude, idea, or habit by persistent instruction; to teach and impress by frequent repetitions.

Example

Parents should inculcate good values in their children.

親は子供たちに良い価値観を教え込むべきだ。

C2 adjective /ˈɪndələnt/

indolent

怠惰

Meaning

Wanting to avoid activity or exertion; lazy.

Example

The indolent cat slept in the sun all afternoon.

怠惰な猫は午後ずっと太陽の下で寝ていました。

B1 noun /ɪmˈprɛʃən/

impression

印象, 概念

Meaning

an idea, feeling, or opinion about something or someone

Example

The book gave me a good first impression.

その本は私に良い最初の印象を与えました。

C1 verb /ɪnˈfleɪm/

inflame

煽る

Meaning

to arouse strong feelings or provoke anger; to cause inflammation in the body

Example

The politician's remarks served to inflame public opinion.

政治家の発言は公共の意見を煽る結果になった。

C1 noun /ˌɪntərˈmiːdiˌɛri/

intermediary

仲介者

Meaning

A person who acts as a link between people in order to try to bring about an agreement; a mediator.

Example

The diplomat served as an intermediary between the two conflicting nations.

外交官は二つの対立する国々の間で仲介者として機能した。

A2 verb /ɪnˈvaɪt/

invite

招待する

Meaning

to ask someone to come to an event or to do something

Example

We should invite all our friends to the party.

パーティーに友達を招待するべきです。

C2 adjective /ˌɪm.pəˈfɛk.tə.bəl/

imperfectible

インパーフェクティブル

Meaning

Incapable of being made perfect or complete.

Example

Some human qualities are considered imperfectible.

いくつかの人間の資質は、完璧にはならないと見なされます。

C2 noun /ɪˈreɪdiəns/

irradiance

放射輝度

Meaning

the quality of shining brightly; the intensity of light falling on a surface

Example

The irradiance of the sun at noon was overwhelming.

正午の太陽の放射輝度は圧倒的でした。

B2 adjective ˈɪn.tɪ.ɡreɪ.tɪd

integrated

統合された

Meaning

Combining or coordinating separate elements so as to provide a harmonious, interrelated whole.

Example

Integrated systems optimize efficiency.

統合されたシステムは効率を最適化します。

C1 adjective /ˌɪnækˈsɛsəbl/

inaccessible

アクセスできない

Meaning

unable to be reached, entered, or understood

Example

The remote village is almost inaccessible during the rainy season.

その遠隔地の村は雨季にはほとんどアクセスできません。

B2 verb ˈɪmplɪment

implement

実施する

Meaning

To put a decision or plan into effect; to execute or apply.

Example

Implementing educational policies is essential for progress.

教育政策を実施することは進歩にとって重要です。

C2 noun /ˌɪdiəˈsɪŋkrəsi/

idiosyncrasy

特異性

Meaning

A distinctive or peculiar characteristic, habit, or mannerism unique to an individual.

Example

One of her idiosyncrasies was humming while working.

彼女の一つの特異性は、仕事中に口ずさむことでした。

C2 adjective /ˌɪnɪˈsɛnʃəl/

inessential

本質的でない

Meaning

not necessary or important; not essential

Example

The report removes all inessential details to stay focused.

その報告書は焦点を保つために本質的でない詳細を削除している。

B2 adjective /ˌɪntərˈmiːdiət/

intermediate

中級

Meaning

Coming between two things in time, place, or order; in the middle level or stage.

Example

She is taking an intermediate-level French course.

彼女は中級のフランス語コースを受講しています。

C1 adjective /ɪnˈkɒŋɡruəs/

incongruous

不調和

Meaning

Not fitting in with or suitable for the surroundings.

Example

His jokes were incongruous during the serious meeting.

彼の冗談は真面目な会議では不調和だった。

C1 adjective /ɪˈnɒkjuəs/

innocuous

無害な

Meaning

Not harmful or offensive.

Example

His remark was completely innocuous and not meant to offend anyone.

彼の発言は完全に無害で、誰かを傷つける意図はなかった。

C2 adjective /ɪnˈsɛnseɪt/

insensate

無感情な

Meaning

lacking physical sensation or empathy; without feeling or sensitivity

Example

The dictator's insensate cruelty shocked the world.

独裁者の無感情な残虐さは世界を驚かせた。

C1 verb /ɪˈluːmɪneɪt/

illuminate

照らす

Meaning

To light up or make something clearer.

Example

Streetlights illuminate the road at night.

街路灯が夜に道路を照らします。

C1 verb /aɪˈdiː.ə.laɪz/

idealize

理想化する

Meaning

To regard or represent something as perfect or better than it really is.

Example

Children often idealize their parents.

子供たちはしばしば親を理想化します。

C2 adjective /ɪnˈvɛtərət/

inveterate

常習的な

Meaning

having a long-established habit, activity, or interest that is unlikely to change

Example

He is an inveterate reader who spends hours in the library every day.

彼は毎日数時間を図書館で過ごす常習的な読者です。

B1 verb /ɪnˈsɪst/

insist

主張する

Meaning

to demand firmly; to state persistently

Example

He insisted on paying the bill.

彼は請求書の支払いを主張しました。

C1 adjective /ɪˈnɔːrdənət/

inordinate

過度の

Meaning

Excessive or unusually large in degree.

Example

She spent an inordinate amount of time on her phone.

彼女は電話に過度の時間を費やしました。

C2 adjective /ɪˈnjʊərd/

inured

慣れた

Meaning

Accustomed to something, especially something unpleasant.

Example

After years of hardship, she was inured to suffering.

長年の苦しみの後、彼女は苦しみに慣れていた。

C1 noun /ɪnˈdaɪtmənt/

indictment

起訴状

Meaning

a formal charge or accusation of a serious crime

Example

The indictment accused the company of multiple violations.

起訴状は、会社に対する複数の違反を告発しました。

C2 noun /ˌɪrɪˈdɛsəns/

iridescence

虹色の輝き

Meaning

a play of lustrous, changing colors like those of a rainbow

Example

The butterfly's wings shimmered with iridescence.

蝶の羽は虹色の輝きで輝いていました。

C1 noun ɪnˈflɛk.ʃən

inflection

イントネーション

Meaning

The change in pitch or tone of voice when speaking for emphasis.

Example

His inflection kept the audience engaged.

彼のイントネーションは観客を引きつけた。

C1 noun /ˌɪntərˌɒpərəˈbɪləti/

interoperability

相互運用性

Meaning

The ability of computer systems or software to exchange and make use of information.

Example

The interoperability of different software systems ensures seamless workflow.

異なるソフトウェアシステムの相互運用性は、シームレスな作業の流れを確保します。

B2 adjective /ɪmˈprɒp.ər/

Improper

不適切な; 不正確な; 不適当な

Meaning

inappropriate; incorrect; not suitable

Example

It would be improper to discuss personal matters in a business meeting.

ビジネス会議で個人的な事柄を議論するのは不適切です。

C2 adjective /ˌɪnɪkˈstɛnsəbl/

inextensible

伸縮不可

Meaning

Not capable of being stretched or extended.

Example

This rope is made of an inextensible material.

このロープは伸縮不可の材料でできています。

C2 adjective /ɪɡˈnoʊ.bəl/

Ignoble

卑劣; 恥ずべき; 不名誉

Meaning

dishonorable; not noble in character; base or mean

Example

His ignoble actions betrayed his friends' trust.

彼の卑劣な行動は友人たちの信頼を裏切った。

C2 adjective /ɪˈræsɪbl/

irascible

怒りっぽい

Meaning

Easily angered; quick-tempered.

Example

His irascible nature often got him into trouble.

彼の怒りっぽい性格はよくトラブルを引き起こしていた。

B2 verb /ɪmˈprɪzən/

imprison

投獄する

Meaning

to put someone in prison; to confine or restrict someone's freedom

Example

The judge imprisoned the criminal for five years.

裁判官は犯罪者を5年間投獄しました。

C1 adjective /ɪnˈseɪʃəbl̩/

insatiable

満たされない

Meaning

impossible to satisfy; always wanting more

Example

Her insatiable curiosity drove her to read every book in the library.

彼女の満たされない好奇心は、図書館のすべての本を読むように彼女を駆り立てた。

C1 adjective /ɪnˈtræk.tə.bəl/

intractable

管理不能

Meaning

Difficult or impossible to manage, control, or solve.

Example

The conflict has become an intractable problem.

その対立は管理不能な問題になった。

C1 noun ˈɪn.fər.əns

inference

推論

Meaning

A conclusion reached on the basis of evidence and reasoning; logical deduction.

Example

Scientists make inferences based on experimental data.

科学者たちは実験データに基づいて推論を行います。

C2 adjective /ɪˈnɪmɪkəl/

inimical

敵対的 / 不利な

Meaning

tending to obstruct or harm; unfriendly or hostile

Example

The policy was inimical to the country's economic growth.

その政策は国の経済成長に不利だった。

C2 noun /ɪnˈtɜːrstɪs/

interstice

隙間

Meaning

a small space that lies between things

Example

Light filtered through the narrow interstices of the wall.

光は壁の狭い隙間を通して漏れた。

C1 adjective /ˌɪndɪˈstɪŋkt/

indistinct

不明瞭な

Meaning

Not clear or sharply defined; vague or blurred.

Example

The sound of voices was indistinct in the distance.

遠くからの声は不明瞭でした。

B2 noun /aɪˈdiː/

id

身分証明書

Meaning

identification; a document or number used to prove who someone is

Example

Please show your ID at the entrance.

入口で身分証明書を提示してください。

B2 noun /ˌɪn.dɪˈkeɪ.ʃən/

Indication

指示; 合図

Meaning

a sign or piece of information that indicates something; a suggestion or hint

Example

The dark clouds were a clear indication that a storm was approaching the area.

暗い雲は嵐がその地域に近づいていることを示す明確な指示でした。

C1 verb /ɪmˈbɛd/

imbed

埋め込む

Meaning

To fix firmly or deeply in a surrounding mass.

Example

The journalist imbedded himself with the troops to report firsthand.

ジャーナリストは部隊に埋め込まれて、最前線から報告を行った。

B1 noun ˈɪn.də.stri

industry

産業

Meaning

Economic activity concerned with the processing of raw materials and manufacture of goods in factories.

Example

The industry focuses on luxury experiences.

産業は高級体験に焦点を合わせています。

C1 adjective /ɪnˈflæməˌtɔːri/

inflammatory

幸せ

Meaning

causing inflammation in the body; arousing anger, hostility, or strong emotion

Example

His inflammatory speech triggered protests across the city.

彼女は賞を受け取ったとき、幸せそうな表情を隠せなかった。

B2 adjective /ɪnˈtriːɡɪŋ/

intriguing

非常に興味深く、異常な; 好奇心を引き起こす

Meaning

very interesting and unusual; arousing curiosity

Example

The movie has an intriguing plot that keeps the audience hooked.

その映画は観客を引き付ける非常に興味深いプロットを持っています。